Information on Result #699301
Linear OA(8142, 6567, F81, 21) (dual of [6567, 6525, 22]-code), using construction X applied to C([0,10]) ⊂ C([0,9]) based on
- linear OA(8141, 6562, F81, 21) (dual of [6562, 6521, 22]-code), using the expurgated narrow-sense BCH-code C(I) with length 6562 | 814−1, defining interval I = [0,10], and minimum distance d ≥ |{−10,−9,…,10}|+1 = 22 (BCH-bound) [i]
- linear OA(8137, 6562, F81, 19) (dual of [6562, 6525, 20]-code), using the expurgated narrow-sense BCH-code C(I) with length 6562 | 814−1, defining interval I = [0,9], and minimum distance d ≥ |{−9,−8,…,9}|+1 = 20 (BCH-bound) [i]
- linear OA(811, 5, F81, 1) (dual of [5, 4, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(811, s, F81, 1) (dual of [s, s−1, 2]-code) for arbitrarily large s, using
Mode: Constructive and linear.
Optimality
Show details for fixed k and m, n and k, k and s, k and t, n and m, m and s, m and t, n and s, n and t.
Other Results with Identical Parameters
None.
Depending Results
The following results depend on this result:
| Result | This result only | Method | ||
|---|---|---|---|---|
| 1 | Linear OA(984, 13134, F9, 21) (dual of [13134, 13050, 22]-code) | [i] | Trace Code | |
| 2 | OA(2756, 6567, S27, 21) | [i] | Discarding Parts of the Base for OAs | |
| 3 | Linear OA(8154, 6683, F81, 21) (dual of [6683, 6629, 22]-code) | [i] | (u, u+v)-Construction | |
| 4 | Linear OOA(8142, 3283, F81, 2, 21) (dual of [(3283, 2), 6524, 22]-NRT-code) | [i] | OOA Folding | |
| 5 | Linear OOA(8142, 2189, F81, 3, 21) (dual of [(2189, 3), 6525, 22]-NRT-code) | [i] | ||
| 6 | Linear OOA(8142, 1641, F81, 4, 21) (dual of [(1641, 4), 6522, 22]-NRT-code) | [i] | ||